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    product standards of ST-4ETD202

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    ymn@deirchip.com
    ·October 18, 2024
    ·7 min read
    product standards of ST-4ETD202
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    The ST-4ETD202 stands as a pivotal component in the realm of electronic applications. This 2 kOhm, 0.25W gull wing surface mount trimmer potentiometer, crafted by Nidec Components Corporation, exemplifies high-quality product standards. Its design caters to automatic mounting, ensuring seamless integration into various electronic systems. The ST-4ETD202's significance lies in its ability to provide precise resistance adjustments, enhancing the performance and reliability of electronic devices. Its compliance with environmental standards further underscores its importance in sustainable technology solutions.

    Technical Specifications

    Resistance

    Definition and importance

    Resistance plays a crucial role in electronic circuits. It determines how much current flows through a component. By controlling resistance, engineers can manage the performance and efficiency of electronic devices. In trimmer potentiometers like the ST-4ETD202, resistance adjustment allows for fine-tuning of circuit parameters, ensuring optimal functionality.

    Specific resistance values for ST-4ETD202

    The ST-4ETD202 offers a resistance value of 2 kOhm. This specific value provides a balance between flexibility and precision, making it suitable for various applications. The component's resistance tolerance stands at 20%, allowing for slight variations while maintaining reliable performance.

    Power Rating

    Explanation of power rating

    Power rating indicates the maximum amount of power a component can handle without damage. It is essential for ensuring that components operate safely within their limits. Exceeding the power rating can lead to overheating and failure, compromising the entire system.

    Power rating specifics for ST-4ETD202

    The ST-4ETD202 boasts a power rating of 0.25W (1/4W). This rating ensures that the component can handle moderate power levels, making it ideal for applications requiring stable and consistent performance. Its design supports both electrical and mechanical turns, enhancing its versatility.

    Voltage Rating

    Importance of voltage rating

    Voltage rating defines the maximum voltage a component can withstand. It is vital for preventing breakdowns and ensuring long-term reliability. Proper voltage management protects components from electrical stress and potential damage.

    Voltage rating details for ST-4ETD202

    The ST-4ETD202 features a voltage rating of 22.4 VDC. This specification, combined with a tolerance of 20%, ensures that the component can operate effectively in various voltage conditions. Its robust design supports a wide range of electronic applications, providing both safety and efficiency.

    Temperature Coefficient

    Explanation of temperature coefficient

    The temperature coefficient is a critical parameter in electronic components. It measures how much a component's resistance changes with temperature variations. This coefficient is essential for maintaining the stability and accuracy of electronic circuits. A low temperature coefficient indicates that the component can maintain consistent performance across a range of temperatures, which is crucial for applications requiring precision.

    Temperature coefficient specifics for ST-4ETD202

    The ST-4ETD202 features a temperature coefficient of 100 PPM/°C. This specification ensures that the component remains stable even when exposed to temperature fluctuations. The design of the ST-4ETD202 supports its use in environments with varying temperatures, enhancing its reliability and performance. Its robust construction and precise engineering make it an ideal choice for applications where temperature stability is paramount.

    Compliance and Environmental Standards

    Compliance and Environmental Standards
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    RoHS Compliance

    Overview of RoHS standards

    The Restriction of Hazardous Substances (RoHS) directive plays a crucial role in the electronics industry. It restricts the use of specific hazardous materials found in electrical and electronic products. By adhering to these standards, manufacturers ensure that their products contribute to a safer environment. RoHS compliance not only protects human health but also reduces the environmental impact of electronic waste.

    ST-4ETD202's compliance with RoHS

    The ST-4ETD202 meets RoHS standards, showcasing its commitment to environmental responsibility. Nidec Copal Electronics Corporation, the manufacturer, ensures that this component adheres to stringent product standards. By eliminating hazardous substances, the ST-4ETD202 aligns with global efforts to promote sustainable technology. This compliance enhances its appeal to environmentally conscious consumers and industries.

    Other Environmental Standards

    Additional compliance standards

    Beyond RoHS, the ST-4ETD202 adheres to other environmental standards that further solidify its position as a responsible choice in electronic components. These standards encompass various aspects of product safety and environmental impact. By meeting these criteria, the ST-4ETD202 demonstrates its dedication to maintaining high product standards across multiple dimensions.

    Environmental impact considerations

    The environmental impact of electronic components extends beyond their immediate use. The ST-4ETD202 addresses these concerns by incorporating design features that minimize waste and energy consumption. Its compatibility with automatic mounting and flow/reflow soldering processes reduces production waste. Additionally, the component's robust design ensures longevity, decreasing the frequency of replacements and contributing to a reduction in electronic waste.

    Operational Features

    Compatibility with Automatic Mounting

    Explanation of automatic mounting

    Automatic mounting refers to the process where machines place components onto circuit boards without manual intervention. This method enhances efficiency and precision in electronic manufacturing. It reduces human error and speeds up production, making it a preferred choice in modern electronics assembly. Automatic mounting ensures consistent placement of components, which is crucial for maintaining the integrity and performance of electronic devices.

    ST-4ETD202's compatibility features

    The ST-4ETD202 is designed with features that make it highly compatible with automatic mounting systems. Its gull wing surface mount design facilitates easy and accurate placement on circuit boards. This design minimizes the risk of misalignment during the mounting process. The component's robust construction ensures it withstands the mechanical stresses of automatic placement, maintaining its structural integrity. These features make the ST-4ETD202 an ideal choice for manufacturers seeking reliable components for automated assembly lines.

    Soldering Processes

    Overview of soldering processes

    Soldering processes involve joining electronic components to circuit boards using a molten metal alloy. This technique creates a strong electrical connection between the component and the board. There are various soldering methods, including flow and reflow soldering, each suited for different types of components and assemblies. Proper soldering is essential for ensuring the durability and functionality of electronic devices.

    Compatibility with soldering processes

    The ST-4ETD202 exhibits excellent compatibility with both flow and reflow soldering processes. Its design supports efficient heat transfer, ensuring a secure bond between the component and the circuit board. This compatibility reduces the risk of solder joint failures, enhancing the reliability of the final product. The component's ability to withstand the thermal cycles of soldering processes further underscores its suitability for high-quality electronic assemblies. By aligning with industry-standard soldering techniques, the ST-4ETD202 offers manufacturers a versatile and dependable option for their production needs.

    Availability and Quality Assurance

    Availability and Quality Assurance
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    Active Status

    Explanation of active status

    The term "active status" in the context of electronic components refers to the availability and ongoing production of a product. When a component like the ST-4ETD202 holds an active status, it signifies that the manufacturer continues to produce and supply it. This status ensures that the component remains accessible for purchase and integration into various electronic applications. Active status is crucial for engineers and manufacturers who rely on consistent supply chains to maintain production schedules and meet project demands.

    Current availability of ST-4ETD202

    The ST-4ETD202 maintains its active status, ensuring its availability in the market. As an original and authentic product from the manufacturer, it guarantees both quality and reliability. This component's ongoing production supports its widespread use in electronic applications, providing engineers with a dependable option for their design needs. The ST-4ETD202's availability underscores its role as a staple in the electronics industry, offering a consistent solution for resistance adjustment in various devices.

    Quality Assurance

    Quality assurance measures

    Quality assurance in electronic components involves rigorous testing and evaluation to ensure that each product meets specific standards. The ST-4ETD202 undergoes comprehensive quality checks to verify its performance and durability. These measures include testing for resistance accuracy, power handling capabilities, and environmental resilience. By adhering to strict quality assurance protocols, the manufacturer ensures that each ST-4ETD202 unit delivers reliable performance in diverse applications. This commitment to quality fosters trust among users and reinforces the component's reputation in the industry.

    Guarantee period for ST-4ETD202

    The ST-4ETD202 comes with a quality guarantee period ranging from 3 to 12 months. This guarantee provides users with confidence in the component's reliability and performance. During this period, any defects or issues arising from manufacturing are addressed by the manufacturer, ensuring customer satisfaction. The guarantee period reflects the manufacturer's confidence in the ST-4ETD202's quality and durability, offering users peace of mind when incorporating it into their electronic designs.


    The ST-4ETD202 exemplifies high product standards in electronic components. Its robust design and precise engineering ensure reliable performance across various applications. The component's compliance with environmental standards, such as RoHS, highlights its commitment to sustainability. Nidec Copal Electronics Corporation manufactures this original product, guaranteeing authenticity and quality. The ST-4ETD202 stands as a significant player in the electronics industry, offering engineers a dependable solution for resistance adjustment. Its availability and active status further solidify its role as a staple in modern electronic applications.

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